Tenn. Code Ann. § 54-18-218: Penalties for unlawful building

(a) The owner, lessee, tenant, or person otherwise in control of any land located within the lines of any mapped highway as shown on an official map, or the agent of the owner, lessee, tenant or controller who erects or constructs on the land any building contrary to or in violation of any provision of this part commits a Class C misdemeanor.

(b) Each and every month during which the illegal building, structure or part of the building or structure continues is a separate offense.